-4.93% is the change from 831 to 790
Calculation steps:
[( 790 - 831 ) ÷ 831] x 100 = -4.93%
Formula
Percentage change = [(790 - 831) / 831] x 100
Subtract the new number by the original number
790 - 831 = -41
-41 ÷ 831 = -0.049338146811071
-0.049338146811071 x 100 = -4.93%